Deep Learning‐Based Ion Channel Kinetics Analysis for Automated Patch Clamp Recording DOI Creative Commons
Shengjie Yang, Jiaqi Xue, Ziqi Li

и другие.

Advanced Science, Год журнала: 2024, Номер unknown

Опубликована: Дек. 31, 2024

Abstract The patch clamp technique is a fundamental tool for investigating ion channel dynamics and electrophysiological properties. This study proposes the first artificial intelligence framework characterizing multiple kinetics of whole‐cell recordings. integrates machine learning anomaly detection deep multi‐class classification. excludes recordings that are incompatible with behavior. classification combined 1D convolutional neural network, bidirectional long short‐term memory, an attention mechanism to capture spatiotemporal patterns achieves accuracy 97.58% in classifying 124 test datasets into six categories based on kinetics. utility novel demonstrated two applications: Alzheimer's disease drug screening nanomatrix‐induced neuronal differentiation. In screening, illustrates inhibitory effects memantine endogenous channels, antagonistic interactions among potassium, magnesium, calcium channels. For differentiation, classifier indicates differentiation conditions sodium potassium channels associated action potentials, validating functional properties differentiated neurons Parkinson's treatment. proposed promising enhancing efficiency analysis research.

Язык: Английский

Dysregulation of Ion Channels and Transporters and Blood-Brain Barrier Dysfunction in Alzheimer’s Disease and Vascular Dementia DOI Creative Commons
Ruijia Liu,

Jenelle M Collier,

Nana‐Hawwa Abdul‐Rahman

и другие.

Aging and Disease, Год журнала: 2024, Номер unknown

Опубликована: Янв. 1, 2024

The blood-brain barrier (BBB) plays a critical role in maintaining ion and fluid homeostasis, essential for brain metabolism neuronal function. Regulation of nutrient, water, transport across the BBB is tightly controlled by specialized transporters channels located within its unique cellular components. These dynamic processes not only influence BBB’s structure but also impact vital signaling mechanisms, optimal Disruption ion, pH, balance at associated with pathology has been implicated various neurological conditions, including stroke, epilepsy, trauma, neurodegenerative diseases such as Alzheimer’s disease (AD). However, knowledge gaps exist regarding dysregulation on function dementias. Several factors contribute to this gap: complex nature these historical research focus mechanisms technical challenges studying in vivo models lack efficient vitro dementia models. This review provides an overview current roles poses specific questions: 1) How are expression activity key altered AD vascular (VaD); 2) Do changes dysfunction progression; 3) Can restoring mitigate improve clinical outcomes. Addressing will provide greater insight into disorders.

Язык: Английский

Процитировано

10

Application of Optogenetics in Neurodegenerative Diseases DOI Creative Commons
Qian Zhang, Tianjiao Li, Mengying Xu

и другие.

Cellular and Molecular Neurobiology, Год журнала: 2024, Номер 44(1)

Опубликована: Июль 26, 2024

Abstract Optogenetics, a revolutionary technique integrating optical and genetic methodologies, offers unparalleled precision in spatial targeting temporal resolution for cellular control. This approach enables the selective manipulation of specific neuronal populations, inducing subtle electrical changes that significantly impact complex neural circuitry. As optogenetics precisely targets modulates activity, it holds potential significant breakthroughs understanding potentially altering course neurodegenerative diseases, characterized by loss leading to functional deficits within nervous system. The integration into disease research has advanced field, offering new insights paving way innovative treatment strategies. Its application clinical settings, although still nascent stages, suggests promising future addressing some most challenging aspects disorders. In this review, we provide comprehensive overview these undertakings.

Язык: Английский

Процитировано

6

Early Alterations in Structural and Functional Properties in the Neuromuscular Junctions of Mutant FUS Mice DOI Open Access
Marat A. Mukhamedyarov, A. N. Khabibrakhmanov,

Venera Khuzakhmetova

и другие.

International Journal of Molecular Sciences, Год журнала: 2023, Номер 24(10), С. 9022 - 9022

Опубликована: Май 19, 2023

Amyotrophic lateral sclerosis (ALS) is manifested as skeletal muscle denervation, loss of motor neurons and finally severe respiratory failure. Mutations RNA-binding protein FUS are one the common genetic reasons ALS accompanied by a ‘dying back’ type degeneration. Using fluorescent approaches microelectrode recordings, early structural functional alterations in diaphragm neuromuscular junctions (NMJs) were studied mutant mice at pre-onset stage. Lipid peroxidation decreased staining with lipid raft marker found mice. Despite preservation end-plate structure, immunolabeling revealed an increase levels presynaptic proteins, SNAP-25 synapsin 1. The latter can restrain Ca2+-dependent synaptic vesicle mobilization. Indeed, neurotransmitter release upon intense nerve stimulation its recovery after tetanus compensatory endocytosis markedly depressed There was trend to attenuation axonal [Ca2+]in 20 Hz. However, no changes intraterminal Ca2+ transient response low frequency or quantal content synchrony external detected. At later stage, shrinking fragmentation end plates together decrease expression disturbance timing occurred. Overall, suppression exo–endocytosis activity probably due membrane properties, 1 kinetics could be sign nascent NMJ pathology, which leads contact disorganization.

Язык: Английский

Процитировано

11

Herbal/Natural Compounds Resist Hallmarks of Brain Aging: From Molecular Mechanisms to Therapeutic Strategies DOI Creative Commons

Juhui Qiao,

Chenxi Wang, Yu Chen

и другие.

Antioxidants, Год журнала: 2023, Номер 12(4), С. 920 - 920

Опубликована: Апрель 13, 2023

Aging is a complex process of impaired physiological integrity and function, associated with increased risk cardiovascular disease, diabetes, neurodegeneration, cancer. The cellular environment the aging brain exhibits perturbed bioenergetics, adaptive neuroplasticity flexibility, abnormal neuronal network activity, dysregulated Ca2+ homeostasis, accumulation oxidatively modified molecules organelles, clear signs inflammation. These changes make susceptible to age-related diseases, such as Alzheimer’s Parkinson’s diseases. In recent years, unprecedented advances have been made in study aging, especially effects herbal/natural compounds on evolutionarily conserved genetic pathways biological processes. Here, we provide comprehensive review discuss molecular mechanisms underlying therapeutic properties against hallmarks aging.

Язык: Английский

Процитировано

10

Research Progress on the Mechanisms of Protocatechuic Acid in the Treatment of Cognitive Impairment DOI Creative Commons

Shuzhi Liang,

Zhong-Min Zhao,

Leilei Liu

и другие.

Molecules, Год журнала: 2024, Номер 29(19), С. 4724 - 4724

Опубликована: Окт. 6, 2024

Cognitive impairment (CI) is a type of mental health disorder that mainly affects cognitive abilities, such as learning, memory, perception, and problem-solving. Currently, in clinical practice, the treatment focuses on application cholinesterase inhibitors NMDA receptor antagonists; however, there no specific effective drug yet. Procatechuic acid (PCA) possesses various functions, including antibacterial, antiasthmatic, expectorant effects. In recent years, it has received growing attention domain. Therefore, by summarizing mechanisms action procatechuic this paper, found multiple effects, regulating expression neuroprotective factors, inhibiting cell apoptosis, promoting autophagy-lysosome pathway, suppressing oxidative stress damage, inflammatory responses, improving synaptic plasticity dysfunction, Aβ deposition, reducing APP hydrolysis, enhancing cholinergic system, excitotoxicity neuronal cells. The involved signaling pathways include activating Pi3K-akt-mTor JNK, P38 MAPK, P38-ERK-JNK, SIRT1, NF-κB/p53, etc. This paper aims to present latest progress research acid, aspects its chemical properties, sources, pharmacokinetics, for treating neurodegenerative diseases.

Язык: Английский

Процитировано

4

Microglial Regulation of Neural Networks in Neuropsychiatric Disorders DOI

Z Cao,

Lixia Zhu, Hongmei Wang

и другие.

The Neuroscientist, Год журнала: 2025, Номер unknown

Опубликована: Фев. 11, 2025

Microglia serve as vital innate immune cells in the central nervous system, playing crucial roles generation and development of brain neurons, well mediating a series inflammatory responses. The morphologic transitions microglia are closely linked to their function. With advent single-cell sequencing technology, diversity microglial subtypes is increasingly recognized. intricate interactions between neuronal networks have significant implications for psychiatric disorders neurodegenerative diseases. A deeper investigation neurologic diseases such Alzheimer disease, depression, epilepsy can provide valuable insights understanding pathogenesis exploring novel therapeutic strategies, thereby addressing issues related system disorders.

Язык: Английский

Процитировано

0

Demethylase FTO Regulates P2X3R Expression Contributing to the Mechanism of Hyperalgesia in Lumbar Disc Herniation DOI
Jianpeng Chen,

Yuanbin Wang,

Yiru Peng

и другие.

Journal of Neurochemistry, Год журнала: 2025, Номер 169(4)

Опубликована: Апрель 1, 2025

Lumbar disc herniation (LDH) is a common chronic orthopedic condition characterized by the protrusion of nucleus pulposus tissue, leading to low back and leg pain. Its pathophysiology remains poorly understood. The aim this study was investigate whether demethylase Fat mass obesity-associated protein (FTO) mediates local translation P2X3 receptors (P2X3R) in rat model LDH. effect process on excitability dorsal root ganglion (DRG) cells also examined, which may elucidate peripheral molecular mechanisms underlying specific pain sensitivity LDH models were established male Sprague-Dawley rats. Behavioral tests assessed mechanical thermal thresholds motor function. expression P2X3R FTO DRG investigated RT-qPCR, Western blot, immunofluorescence. knocked down, methylation examined MeRIP validate their roles. IL-1β IL-6 levels quantified ELISA. Protein interactions predicted using AutoDock, neuronal patch clamp recordings. Compared with Sham group, group showed reduction threshold hind limbs. There no significant differences increased group. DRG, localized mainly cell membrane colocalized NeuN. Intrathecal injection P2X3R-siRNA FTO-siRNA effective increasing thresholds, reducing FTO, decreasing neurons, IL-6. RNA Methylation Immunoprecipitation (MeRIP) analysis revealed reduced m6A modification mRNA AutoDock hydrogen bond between P2X3R. These findings suggest that regulates DRG. This influences contributes LDH-induced hyperalgesia.

Язык: Английский

Процитировано

0

Black Seed Oil Boosts Antidiabetic Activity of Glibenclamide: Development of Solidified Self Nanoemulsifying Drug Delivery System and Evaluation in Streptozotocin-Induced Diabetic Rat Model DOI
Abdelrahman Y. Sherif, Doaa Hasan Alshora, Ahlam M. Alhusaini

и другие.

Pharmaceutical Development and Technology, Год журнала: 2025, Номер unknown, С. 1 - 17

Опубликована: Апрель 3, 2025

Self nano-emulsifying drug delivery system (SNEDDS) has been widely used to enhance dissolution and bioavailability of glibenclamide (GB). In addition, black seed oil, containing bioactive thymoquinone (TQ), showed promising antihyperglycemic effect. Therefore, this work aims design solid SNEDDS formulation composed Black oil loaded with GB its activity. Different formulations were prepared characterized for miscibility, dispersibility, droplet size, zeta potential, in-vitro dissolution. Moreover, antidiabetic activity against pure was evaluated using streptozotocin-induced diabetic rat model. The selected liquid (F7) consisted Kolliphor EL: Caproyl 90: BSO that produced nanoemulsion particles (24.9 ± 0.2nm). solidified from F7, the (S4) as optimum TQ had a DE% value 73.16 0.59 70.9%, respectively. Overall, both GB-SNEDDS significantly reduced blood glucose levels compared control group. showing superior efficacy (67% reduction, p = 5.5 × 10-5) (52% 1.5 10-4). GB-SNEDD significant (p 0.0363) reducing action on Present results boosted oral hypoglycemic drugs. This could open new avenues natural agent while preparing formulation.

Язык: Английский

Процитировано

0

Locomotor activity alterations in zebrafish following cisplatin exposure: An assessment of neurobehavioral toxicity DOI
Gustavo Axel Elizalde-Velázquez,

Daniela Arriaga-Navarrete,

Selene Elizabeth Herrera-Vázquez

и другие.

The Science of The Total Environment, Год журнала: 2025, Номер 985, С. 179776 - 179776

Опубликована: Май 28, 2025

Язык: Английский

Процитировано

0

Bayliss–Starling Prize Lecture: KATP channel pathophysiology – a whole‐body odyssey DOI
Colin G. Nichols

The Journal of Physiology, Год журнала: 2025, Номер unknown

Опубликована: Май 31, 2025

Abstract First identified 40 years ago in cardiac myocytes, ATP‐sensitive potassium (K ATP ) channels have been found almost all excitable tissues, with paradigmatic inhibition by and activation ADP underlying their physiological role coupling cellular metabolism to electrical activity. Cloning of the genes, 30 ago, revealed unique assembly as four Kir6.x pore‐forming subunit proteins sulfonylurea receptor (SURx) has since led discovery a spectrum monogenic diseases resulting from gain‐ (GOF) or loss‐of‐function (LOF) mutations, turn leading recognition novel roles pathophysiological consequences throughout body. With this perspective, lecture represents personal view these discoveries potential for future insights. image

Язык: Английский

Процитировано

0